Template:Selected anniversaries/November 25: Difference between revisions
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||1986 – Iran–Contra affair: U.S. Attorney General Edwin Meese announces that profits from covert weapons sales to Iran were illegally diverted to the anti-communist Contra rebels in Nicaragua. | ||1986 – Iran–Contra affair: U.S. Attorney General Edwin Meese announces that profits from covert weapons sales to Iran were illegally diverted to the anti-communist Contra rebels in Nicaragua. | ||
||Hans-Egon Richert (d. November 25, 1993) was a German mathematician who worked primarily in analytic number theory. | |||
||2012 – Lars Hörmander, Swedish mathematician and educator (b. 1931) | ||2012 – Lars Hörmander, Swedish mathematician and educator (b. 1931) | ||
Revision as of 11:01, 5 November 2017
1686: Scientist and bishop Niels Steensen dies. He questioned explanations for tear production, the idea that fossils grow in the ground.
1814: Physician and physicist Julius Robert von Mayer born. He will describe the vital chemical process now referred to as oxidation as the primary source of energy for any living creature; but his achievements will be overlooked and priority for the discovery of the mechanical equivalent of heat will be attributed to James Joule.
1840: Astronomer Caroline Herschel publishes new class of Gnomon algorithm functions which improve lens refraction in telescopes.
1841: Mathematician and logician Ernst Schröder born. His monumental Vorlesungen über die Algebra der Logik will prepare the way for the emergence of mathematical logic as a separate discipline in the twentieth century by systematizing the various systems of formal logic of the day.
1858: Charles Sanders Peirce invents new variety of Gnomon algorithm, anticipates future work by Ernst Schröder.
1915: Albert Einstein presents the field equations of general relativity to the Prussian Academy of Sciences.
1947: Red Scare: The "Hollywood Ten" are blacklisted by Hollywood movie studios.